.nav-kong {
  position: absolute;
  background-color: pink;
  height: 60px;
  display: none;
}
.nav-kong img {
  margin-top: -5px;
}
.nav-kong .w a:nth-child(3) {
  display: block;
  width: 100px;
  height: 50px;
  float: right;
  font-size: 20px;
  line-height: 50px;
}
.nav-kong .w a:nth-child(2) {
  font-size: 20px;
  line-height: 50px;
}
.nav {
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid gray;
}
.nav li:nth-child(2) {
  border-left: 1px solid gray;
  border-right: 1px solid gray;
}
.nav li:nth-child(3) {
  border-right: 1px solid gray;
}
.nav li {
  float: left;
  padding: 0 50px;
}
.nav li a:hover {
  color: red;
}
.nav li:last-child {
  border-right: none ;
}
.nav li:last-child a {
  display: block;
  width: 68px;
  height: 32px;
  line-height: 32px;
  color: black;
  float: left;
  text-align: center;
  margin-top: 15px;
  margin-right: 10px;
  border-radius: 5px;
}
.nav li:nth-child(4) a:hover {
  background-color: red;
}
.nav2 {
  height: 60px;
  background-color: white;
}
.nav2 a {
  color: black;
}
.nav2 img {
  float: left;
  height: 40px;
  margin-top: 10px;
}
.nav2 li {
  float: left;
  padding: 20px 20px;
}
.nav2 .two a {
  display: inline-block;
  width: 80px;
  height: 50px;
  padding-top: 20px;
  padding-right: 108px;
}
.nav2 .two a:hover {
  color: red;
}
.nav2 .kong {
  width: 50px;
  height: 40px;
  display: none;
  position: absolute;
}
.body1 img {
  width: 100%;
}
.body2 {
  background-color: white;
  height: 100px;
  border-bottom: 1px solid gray;
  padding: 20px 0px;
  box-sizing: border-box;
}
.body2 .w {
  position: relative;
}
.body2 .w dl {
  float: left;
  font-size: 18px;
  color: black;
}
.body2 .w dt {
  font-size: 20px;
  font-weight: bold;
}
.body2 .w dl:nth-child(2) {
  position: absolute;
  left: 50%;
  transform: translate(-50%);
}
.body2 .w dl:last-child {
  float: right;
}
.body3 {
  background-color: white;
  height: 80px;
  border-bottom: 1px solid gray;
}
.body3 p,
.body3 span {
  padding-top: 10px;
  font-size: 14px;
  line-height: 2em;
  color: black;
}
.body3 .w a:nth-child(3) {
  color: #3c3cd3;
}
.body3 .w a:nth-child(4) {
  color: orange;
}
.body4 {
  background-color: #EFEFEF;
  height: 1024px;
}
.body4 .one {
  height: 60px;
  border-bottom: 1px solid gray;
  background-color: white;
  box-shadow: 4px 4px 6px 3px gray;
}
.body4 li {
  float: left;
  padding-left: 20px;
  padding-top: 10px;
  font-size: 20px;
  color: black;
}
.body4 .second-nav {
  height: 50px;
  background-color: pink;
  box-sizing: border-box;
  margin-top: 8px;
  margin-left: 32px;
}
.body4 .xiaosanjiao {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid transparent;
  border-bottom: 10px solid pink;
  margin-top: -70px;
  margin-left: 54px;
}
.body4 .two .round {
  position: absolute;
  left: 182px;
  top: 0px;
  width: 20px;
  height: 10px;
  border-radius: 0px 0px 10px 10px ;
  background-color: white;
}
.body4 .two .round2 {
  position: absolute;
  left: 182px;
  top: 90px;
  width: 20px;
  height: 10px;
  border-radius: 10px 10px 0px 0px ;
  background-color: white;
}
.body4 .two .pu {
  width: 350px;
  height: 100px;
  background-color: red;
  margin-left: 20px ;
  margin-top: 20px;
  border-radius: 10px;
}
.body4 .two .pu p {
  line-height: 1.5em;
}
.body4 .two .pu p:nth-child(2n+1) {
  color: white;
  font-size: 14px;
}
.body4 .two .pu p:nth-child(2n) {
  color: gray;
  font-size: 10px;
}
.body4 .two .pu p:nth-child(6) {
  width: 40px;
  height: 15px;
  display: block;
  margin: -72px 146px;
  color: gray;
}
.body4 .two .pu p:nth-child(7) {
  width: 40px;
  height: 15px;
  display: block;
  margin: 71px 150px;
  color: white;
}
.body4 .two .pu p:nth-child(8) {
  width: 55px;
  height: 15px;
  display: block;
  margin: -64px 132px;
  color: gray;
}
.body4 .two .pu p:nth-child(9) {
  float: right;
  font-size: 20px;
  color: white;
  margin-top: 14px;
  margin-right: 48px;
  display: block;
  width: 56px;
  height: 40px;
}
.body4 .two .pu p:nth-child(10) {
  display: block;
  width: 54px;
  height: 40px;
  float: right;
  font-size: 18px;
  color: white;
  margin-top: 40px;
  margin-right: -52px;
}
.body4 .two .line {
  position: absolute;
  left: 190px;
  top: 10px;
  width: 0px;
  height: 89px;
  border: 1px dashed gainsboro;
}
.body4 .two .red-one {
  position: relative;
  margin-top: 70px;
}
.body4 .two .red-two {
  margin-top: 70px;
  position: relative;
}
.body4 .two .red-three {
  position: relative;
}
.body4 .two .red-four {
  position: relative;
}
.body4 .two .red-five {
  position: relative;
}
@media only screen and (min-width: 768px) and (max-width: 1024px) {
  .w {
    width: 100%;
    max-width: 768px;
  }
  .nav li:first-child {
    display: none;
  }
  .nav2 li {
    padding-left: 12px;
  }
  .nav2 .two {
    display: none;
  }
  .body3 {
    padding-left: 12px;
  }
  .body2 {
    padding-left: 12px;
  }
  .body2 dl:last-child {
    padding-right: 10px;
  }
  .nav2 img {
    padding-left: 12px;
  }
}
@media only screen and (min-width: 320px) and (max-width: 430px) {
  .w {
    width: 100%;
  }
  .nav-kong {
    width: 100%;
    display: block;
    position: fixed;
    z-index: 101;
    background-color: white;
    box-shadow: 1px 2px 5px 2px gray;
  }
  .nav {
    display: none;
  }
  .nav2 {
    display: none;
  }
  .body2 {
    display: none;
  }
  .body1 {
    padding-top: 60px;
  }
  .one {
    overflow: scroll;
  }
  .one li {
    font-size: 12px;
    margin-top: 10px;
  }
  .body3 {
    height: 130px;
  }
  .body4 .two .red-two {
    margin-top: 20px;
  }
  body {
    position: relative;
  }
  .cover {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    transform: translate(-100%);
    box-sizing: border-box;
    z-index: 102;
  }
  .cover a {
    color: white;
    padding-left: 20px;
    font-size: 20px;
  }
  .cover:target {
    transform: translate(0);
    transition: all 1s linear;
  }
}
